CN110555961A - LORA-based intelligent evacuation method for commercial complex - Google Patents
LORA-based intelligent evacuation method for commercial complex Download PDFInfo
- Publication number
- CN110555961A CN110555961A CN201910976502.0A CN201910976502A CN110555961A CN 110555961 A CN110555961 A CN 110555961A CN 201910976502 A CN201910976502 A CN 201910976502A CN 110555961 A CN110555961 A CN 110555961A
- Authority
- CN
- China
- Prior art keywords
- evacuation
- fire
- commercial
- commercial complex
- optimal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
- G08B7/066—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources guiding along a path, e.g. evacuation path lighting strip
Abstract
the invention discloses a commercial complex intelligent evacuation method based on LORA, which comprises the following steps: firstly, arranging a commercial complex intelligent evacuation system; secondly, collecting fire information; thirdly, judging whether a fire disaster occurs in the commercial comprehensive body; fourthly, generating a road network; fifthly, determining an optimal evacuation path; sixthly, the commercial complex intelligent evacuation system assists people evacuation; and seventhly, updating the road network until all the personnel are safely evacuated. The invention utilizes the LORA technology to have the advantages of long transmission distance, simple networking and low price, constructs a commercial complex intelligent evacuation system, combines a load balance principle during evacuation path planning, takes the region with personnel as a target group, generates the fastest safe evacuation path according to the fire scene information, simultaneously utilizes a fire information monitoring module to accurately acquire the internal information of the fire scene, optimizes and updates a road network and the optimal evacuation path, realizes the uniform distribution of the quantity of personnel at each safe exit, improves the utilization rate of each safe exit and accelerates the evacuation speed of the personnel from personnel distribution.
Description
Technical Field
the invention belongs to the technical field of intelligent evacuation of commercial complexes, and particularly relates to an intelligent evacuation method of a commercial complex based on LORA.
Background
with the development of urbanization, large-scale commercial complex develops gradually, and the inside overall arrangement is complicated, and the conflagration load is many, and personnel density is high, in case the conflagration takes place, and fire smoke spreads rapidly, and personnel evacuation confusion, and the conflagration is put out and is rescued difficulty, therefore evacuation indicating system under the fire environment becomes crucial. The existing intelligent evacuation system needs to input the position codes of all facilities connected with the existing intelligent evacuation system, and errors can hardly occur on the premise of a large amount of work; the transformation of the real-time information of the fire scene cannot be obtained and reacted in time; planning an evacuation path by taking a single person as an evacuation target, and causing the problems of slow path planning, chaos and the like due to excessive target groups; the pursuit of the fastest evacuation path on one side results in low utilization rate of each safety exit, crowding of personnel at part of safety exits and slow evacuation speed of the personnel.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, and provides an intelligent evacuation method for a commercial complex based on LORA, which utilizes the advantages of long transmission distance, simple networking and low price of the LORA technology to construct an intelligent evacuation system for the commercial complex, combines a load balance principle during evacuation path planning, takes an area with personnel as a target group, generates a fastest safe evacuation path according to ignition point and fire scene information at the first time of fire occurrence, simultaneously utilizes a fire information monitoring module to accurately acquire information in the fire scene, optimizes and updates a road network, further updates the optimal evacuation path, and performs shunting on evacuation path planning, so that the uniform distribution of the quantity of personnel at each safe exit is realized, the utilization rate of each safe exit is improved, the evacuation speed of the personnel is accelerated from personnel shunting, and the method is convenient to popularize and use.
In order to solve the technical problems, the invention adopts the technical scheme that: a business complex intelligent evacuation method based on LORA is characterized by comprising the following steps:
Step one, arranging a commercial complex intelligent evacuation system: the method comprises the following steps that a plurality of fire information monitoring modules used for collecting fire occurrence information and a plurality of ground bidirectional evacuation indicator lamp modules used for prompting people to evacuate when a fire occurs are installed on each commercial complex channel along the length direction of the commercial complex channel, a plurality of wall bidirectional evacuation indicator lamp modules used for prompting people to evacuate when a fire occurs and a plurality of voice prompt modules used for guiding people to evacuate when a fire occurs are installed in wall surfaces on two sides of each commercial complex channel, the fire information monitoring modules transmit data to an evacuation control host through an LORA wireless gateway, and the evacuation control host controls the ground bidirectional evacuation indicator lamp modules, the wall bidirectional evacuation indicator lamp modules and the voice prompt modules to work through the LORA wireless gateway;
The fire information monitoring module, the ground bidirectional evacuation indicator lamp module, the wall bidirectional evacuation indicator lamp module, the voice prompt module and the evacuation control host form a commercial complex intelligent evacuation system;
Step two, collecting fire information: the method comprises the steps that a fire information monitoring module is used for sensing and acquiring fire occurrence information in a commercial comprehensive body in real time, and the fire information monitoring module transmits acquired data to an evacuation control host through an LORA wireless gateway;
step three, judging whether a fire disaster occurs in the commercial comprehensive body: presetting a data reference threshold in the evacuation control host, and when the data acquired by the real-time sensing of the fire information monitoring module does not exceed the data reference threshold, determining that no fire occurs in the commercial comprehensive body, and circulating the step two; when the data acquired by the fire information monitoring module in real time sensing exceeds the data reference threshold value, a fire disaster occurs in the commercial comprehensive body, and the fourth step is executed;
step four, generating a road network: the crossing position of the commercial complex entrance and exit and at least two commercial complex channels is regarded as a safe region, the two communicated safe regions are connected by a passline, the position of fire occurrence information sensed and collected by the fire information monitoring module is regarded as a fire accident point, the passline where the fire accident point is located or the passline connected with the fire accident point are updated to a forbidden passline, and a road network is generated;
step five, determining an optimal evacuation path: taking the position of the escape personnel as a starting point and the safety zone corresponding to the entrance and exit of each commercial complex as a terminal point, planning evacuation paths, and determining the optimal evacuation path of the position, wherein the optimal evacuation path planning modes of all the positions in the commercial complex are the same;
Optimal evacuation path planning process for any location within the commercial complex:
step 501, respectively taking the position as a starting point, moving the position to a safe area corresponding to the entrance and exit of each commercial complex through a non-repeated pass line to form a plurality of evacuation paths, calling an evacuation path evacuation time calculation module to respectively record the time used by the position to the plurality of evacuation paths formed by moving the position to the safe area corresponding to the entrance and exit of each commercial complex through the pass line, then calling an escape path time comparison module, comparing the time used by the plurality of evacuation paths, and selecting two evacuation paths with the shortest time as optimal double evacuation paths;
502, according to a formulacalculating the average number S of safe areas at the entrance and the exit of the effective commercial complex, wherein L is the total number of the safe areas in the road network, n is the number of the entrances and the exits of the effective commercial complex, and the entrance and the exit of the effective commercial complex are the entrances and the exits of the commercial complex which do not generate fire and can enter and exit;
Step 503, counting the number of safety areas passed by the optimal double evacuation paths;
Step 504, according to the formulacalculating a first safety range deviation delta1and a second safe area deviation delta2Wherein S is1The number of safe areas passed by the path with the shortest time in the optimal double evacuation paths, S2the number of safe areas passed by the route with the shortest time in the optimal double evacuation routes is determined;
Step 505, when the first safety area deviation delta1and a second safe area deviation delta2When the time of the optimal double evacuation paths is equal, the path with the shortest time in the optimal double evacuation paths is the optimal evacuation path;
When the first safe area deviation delta1And a second safe area deviation delta2Is not equal and1<Δ2Then, the route with the shortest time in the optimal double evacuation routes is the optimal evacuation route;
when the first safe area deviation delta1And a second safe area deviation delta2Is not equal and2<Δ1Then, the route with non-shortest time in the optimal double evacuation routes is the optimal evacuation route;
Sixthly, the commercial complex intelligent evacuation system assists people evacuation: the evacuation control host controls the directions of the ground bidirectional evacuation indicator lamp module and the wall bidirectional evacuation indicator lamp module according to the optimal evacuation path of each position, guides persons in the commercial complex to evacuate, and meanwhile utilizes the voice prompt module to assist the persons in the commercial complex to evacuate;
Step seven, updating the road network: the fire information monitoring module is continuously utilized to sense and acquire the fire occurrence information in the commercial comprehensive body, the fire information monitoring module transmits the acquired data to the evacuation control host through the LORA wireless gateway, the fire occurrence information position is sensed and acquired by the fire information monitoring module in real time and is regarded as a fire accident point, a pass line where the fire accident point is located or a pass line connected with the fire accident point are updated to be a forbidden line, a road network is updated, and the fifth step is repeated until all people are evacuated safely.
The intelligent evacuation method for the commercial complex based on the LORA is characterized in that: the fire information monitoring module comprises a first microcontroller, a smoke sensor and a temperature sensor, wherein the smoke sensor and the temperature sensor are both connected with the first microcontroller, and the first microcontroller is also connected with a first LORA wireless transmission terminal communicated with the LORA wireless gateway.
the intelligent evacuation method for the commercial complex based on the LORA is characterized in that: the ground bidirectional evacuation indicator lamp module comprises a second microcontroller and a ground bidirectional evacuation indicator lamp connected with the second microcontroller, and the second microcontroller is further connected with a second LORA wireless transmission terminal communicated with the LORA wireless gateway.
The intelligent evacuation method for the commercial complex based on the LORA is characterized in that: the wall surface bidirectional evacuation indicator lamp module comprises a third microcontroller and a wall surface bidirectional evacuation indicator lamp connected with the third microcontroller, and the third microcontroller is also connected with a third LORA wireless transmission terminal communicated with the LORA wireless gateway; and a fourth LORA wireless transmission terminal communicated with the LORA wireless gateway is integrated on the voice prompt module.
The intelligent evacuation method for the commercial complex based on the LORA is characterized in that: the first LORA wireless transmission terminal, the second LORA wireless transmission terminal and the third LORA wireless transmission terminal are provided with independent position codes, and the independent position codes are stored in the evacuation control host.
Compared with the prior art, the invention has the following advantages:
1. The invention utilizes the advantages of long transmission distance, simple networking and low price of the LORA technology to construct a commercial complex intelligent evacuation system, controls the working state of each bidirectional evacuation indicator lamp in real time, indicates the correct evacuation direction, simultaneously utilizes sound-light and voice prompting means to ensure that personnel accurately and quickly acquire evacuation path information and guide the personnel to evacuate, and is convenient for popularization and use.
2. according to the method, a data reference threshold value is preset in an evacuation control host, when the temperature of a fire scene exceeds 60 ℃ or the visibility is lower than 10m, the region is judged to be incapable of passing, the region is divided into a fire core region, namely a fire accident point, when the data acquired by a fire information monitoring module in a real-time sensing mode do not exceed the data reference threshold value, a fire does not occur in a commercial complex, and the fire information monitoring module is used for acquiring the fire occurrence information in the commercial complex in a real-time sensing mode; when the data that the real-time response of fire information monitoring module was gathered surpassed the data and consulted the threshold value, then the conflagration breaks out in the commercial synthesis, excellent in use effect.
3. The method has simple steps, takes the position of an escape person as a starting point, and takes the safe area corresponding to the entrance and exit of each commercial complex as a terminal point, generates a road network, plans an evacuation path aiming at the road network, combines a load balance principle during the evacuation path planning, takes the area where the person exists as a target group, generates a fastest safe evacuation path according to the ignition point and fire scene information at the first time of fire occurrence, simultaneously utilizes a fire information monitoring module to accurately obtain the internal information of the fire scene, optimizes and updates the road network, further updates the optimal evacuation path, and performs shunting on the evacuation path planning, thereby realizing the uniform distribution of the number of the persons at each safe exit, improving the utilization rate of each safe exit, accelerating the evacuation speed of the person from the personnel shunting, and being convenient for popularization and use.
in summary, the invention utilizes the LORA technology to have the advantages of long transmission distance, simple networking and low price, constructs a commercial complex intelligent evacuation system, combines the load balance principle during evacuation path planning, takes the area where the personnel exist as the target group, generates the fastest safe evacuation path according to the information of the ignition point and the fire scene at the first time of fire occurrence, simultaneously utilizes the fire information monitoring module to accurately acquire the information inside the fire scene, optimizes and updates the road network, further updates the optimal evacuation path, shunts on the evacuation path planning, realizes the uniform distribution of the quantity of the personnel at each safe exit, improves the utilization rate of each safe exit, accelerates the evacuation speed of the personnel from personnel shunting, and is convenient for popularization and use.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
drawings
FIG. 1 is a schematic plan view of a commercial complex according to an embodiment.
FIG. 2 is a road network topology diagram of a fire accident in the embodiment.
fig. 3 is a schematic block diagram of the circuit of the intelligent evacuation system of the commercial complex of the present invention.
FIG. 4 is a block diagram of a method flow of the method of the present invention.
description of reference numerals:
1-commercial complex entrance and exit; 2-commercial complex tunnel;
3-a ground bidirectional evacuation indicator lamp module; 4-bidirectional evacuation indicator lamp module of wall;
5-fire information monitoring module; 6, evacuating the control host.
Detailed Description
As shown in fig. 1 to 4, the method for intelligently evacuating a LORA-based business complex of the present invention includes the following steps:
Step one, arranging a commercial complex intelligent evacuation system: a plurality of fire information monitoring modules 5 used for collecting fire occurrence information and a plurality of ground bidirectional evacuation indicator lamp modules 3 used for prompting people to evacuate when a fire occurs are arranged on each commercial complex channel 2 along the length direction of the commercial complex channel, a plurality of wall bidirectional evacuation indicator lamp modules 4 used for prompting people to evacuate when a fire occurs and a plurality of voice prompt modules used for guiding people to evacuate when a fire occurs are arranged in wall surfaces on two sides of each commercial complex channel 2, the fire information monitoring modules 5 transmit data to an evacuation control host 6 through an LORA wireless gateway, and the evacuation control host 6 controls the ground bidirectional evacuation indicator lamp modules 3, the wall bidirectional evacuation indicator lamp modules 4 and the voice prompt modules to work through the LORA wireless gateway;
the fire information monitoring module 5, the ground bidirectional evacuation indicator lamp module 3, the wall bidirectional evacuation indicator lamp module 4, the voice prompt module and the evacuation control host 6 form a commercial complex intelligent evacuation system;
In this embodiment, the fire information monitoring module 5 includes a first microcontroller, and a smoke sensor and a temperature sensor both connected to the first microcontroller, the first microcontroller is further connected to a first LORA wireless transmission terminal communicating with the LORA wireless gateway.
In this embodiment, the ground bidirectional evacuation indicator lamp module 3 includes a second microcontroller and a ground bidirectional evacuation indicator lamp connected to the second microcontroller, and the second microcontroller is further connected to a second LORA wireless transmission terminal communicating with the LORA wireless gateway.
in this embodiment, the wall bidirectional evacuation indicator lamp module 4 includes a third microcontroller and a wall bidirectional evacuation indicator lamp connected to the third microcontroller, and the third microcontroller is further connected to a third LORA wireless transmission terminal communicating with the LORA wireless gateway; and a fourth LORA wireless transmission terminal communicated with the LORA wireless gateway is integrated on the voice prompt module.
In this embodiment, the first LORA wireless transmission terminal, the second LORA wireless transmission terminal, and the third LORA wireless transmission terminal all have independent position codes, and each independent position code is stored in the evacuation control host 6.
It should be noted that, the LORA technology has the advantages of long transmission distance, simple networking and low price, a commercial complex intelligent evacuation system is constructed, the working state of each bidirectional evacuation indicator lamp is controlled in real time, the correct evacuation direction is indicated, and meanwhile, the acousto-optic and voice prompting means are utilized to ensure that people accurately and quickly acquire evacuation path information to guide people to evacuate.
In actual use, lamps with the diameters of 220 mm-280 mm are selected as ground bidirectional evacuation indicator lamps, the arrangement interval is 5m, evacuation indicator lamps with the diameters of 360 x 145 x 25mm are selected as wall bidirectional evacuation indicator lamps, and the arrangement interval is 15 m.
step two, collecting fire information: the fire information monitoring module 5 is used for sensing and acquiring fire occurrence information in the commercial comprehensive body in real time, and the fire information monitoring module 5 transmits the acquired data to the evacuation control host 6 through the LORA wireless gateway;
Step three, judging whether a fire disaster occurs in the commercial comprehensive body: presetting a data reference threshold value in the evacuation control host 6, and when the data acquired by the real-time sensing of the fire information monitoring module 5 do not exceed the data reference threshold value, determining that no fire occurs in the commercial comprehensive body, and circulating the step two; when the data acquired by the real-time sensing of the fire information monitoring module 5 exceed the data reference threshold value, a fire disaster occurs in the commercial comprehensive body, and the fourth step is executed;
it should be noted that when the temperature of a fire scene exceeds 60 ℃ or the visibility is lower than 10m, the region is judged to be unable to pass, the region is divided into a fire core region, namely a fire accident point, when data acquired by the fire information monitoring module in a real-time sensing mode do not exceed a data reference threshold value, no fire occurs in the commercial comprehensive body, and then the fire information monitoring module is used for acquiring fire occurrence information in the commercial comprehensive body in a real-time sensing mode; and when the data acquired by the real-time sensing of the fire information monitoring module exceeds the data reference threshold value, a fire disaster occurs in the commercial comprehensive body.
Step four, generating a road network: regarding the intersection position of the commercial complex gateway 1 and at least two commercial complex channels 2 as a safe area, connecting the two communicated safe areas by using a passline, regarding the position of fire occurrence information acquired by sensing of the fire information monitoring module 5 as a fire accident point, updating the passline where the fire accident point is located or the passline connected with the fire accident point as a forbidden line, and generating a road network;
Step five, determining an optimal evacuation path: taking the position of the escape personnel as a starting point and the safety zone corresponding to the entrance and exit 1 of each commercial complex as a terminal point, planning evacuation paths, and determining the optimal evacuation path of the position, wherein the optimal evacuation path planning modes of all the positions in the commercial complex are the same;
Optimal evacuation path planning process for any location within the commercial complex:
step 501, respectively taking the position as a starting point, moving the position to a safe area corresponding to each commercial complex entrance and exit 1 through a non-repeated passing line to form a plurality of evacuation paths, calling an evacuation path evacuation time calculation module to respectively record the time of the position to the evacuation paths formed by moving the position to the safe area corresponding to each commercial complex entrance and exit 1 through the passing line, then calling an escape path time comparison module, comparing the time of the plurality of evacuation paths, and selecting two evacuation paths with the shortest time as optimal double evacuation paths;
502, according to a formulacalculating the average safe area quantity S of the effective commercial complex entrances and exits, wherein L is the total number of the safe areas in the road network, n is the quantity of the effective commercial complex entrances and exits, and the effective commercial complex entrances and exits are the commercial complex exits which do not have fire and can enter and exitAn inlet 1;
Step 503, counting the number of safety areas passed by the optimal double evacuation paths;
step 504, according to the formulaCalculating a first safety range deviation delta1and a second safe area deviation delta2wherein S is1The number of safe areas passed by the path with the shortest time in the optimal double evacuation paths, S2the number of safe areas passed by the route with the shortest time in the optimal double evacuation routes is determined;
Step 505, when the first safety area deviation delta1and a second safe area deviation delta2When the time of the optimal double evacuation paths is equal, the path with the shortest time in the optimal double evacuation paths is the optimal evacuation path;
When the first safe area deviation delta1And a second safe area deviation delta2Is not equal and1<Δ2Then, the route with the shortest time in the optimal double evacuation routes is the optimal evacuation route;
when the first safe area deviation delta1and a second safe area deviation delta2Is not equal and2<Δ1Then, the route with non-shortest time in the optimal double evacuation routes is the optimal evacuation route;
sixthly, the commercial complex intelligent evacuation system assists people evacuation: the evacuation control host 6 controls the directions of the ground bidirectional evacuation indicator lamp module 3 and the wall bidirectional evacuation indicator lamp module 4 according to the optimal evacuation path of each position, guides the evacuation of people in the commercial complex, and simultaneously utilizes the voice prompt module to assist the evacuation of the people in the commercial complex;
It should be noted that, the planning and control of the evacuation path are performed by taking the position as a starting point, so that the workload of the intelligent evacuation control host 6 is greatly reduced, the working efficiency of the intelligent evacuation system of the commercial complex is accelerated, the optimal evacuation path is quickly generated, and meanwhile, the internal environment change of the commercial complex is monitored in real time for adjustment, so that the evacuation safety of people is greatly ensured; meanwhile, the evacuation path is updated by using a load balancing method, and the shunting is realized in the path planning, so that the utilization rate of the safety exit is improved, and the personnel evacuation time is reduced.
Step seven, updating the road network: continuously utilizing the fire information monitoring module 5 to induct and collect the fire occurrence information in the commercial comprehensive body, transmitting the collected data to the evacuation control host 6 by the fire information monitoring module 5 through the LORA wireless gateway, and acquiring the fire occurrence information position by the fire information monitoring module 5 in real time as a fire accident point, updating the pass line where the fire accident point is located or the pass line connected with the fire accident point into a forbidden line, updating the road network, and repeating the step five until all the personnel are safely evacuated.
when the invention is used, the position of an escape person is taken as a starting point, the safety regions corresponding to the entrances and exits of various commercial complexes are taken as end points, a road network is generated, evacuation path planning is carried out on the road network, the evacuation path planning is combined with a load balance principle, the region where the person exists is taken as a target group, the fastest safe evacuation path is generated according to the ignition point and fire scene information at the first time of fire occurrence, meanwhile, the fire information monitoring module is utilized to accurately obtain the internal information of the fire scene, the road network is optimized and updated, the optimal evacuation path is further updated, distribution is carried out on the evacuation path planning, the uniform distribution of the number of the persons at each safety exit is realized, the utilization rate of each safety exit is improved, and the evacuation speed of the.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (5)
1. a business complex intelligent evacuation method based on LORA is characterized by comprising the following steps:
step one, arranging a commercial complex intelligent evacuation system: the intelligent fire disaster evacuation system is characterized in that a plurality of fire information monitoring modules (5) used for collecting fire occurrence information and a plurality of ground bidirectional evacuation indicator lamp modules (3) used for prompting people to evacuate when a fire occurs are installed on each commercial complex channel (2) along the length direction of the commercial complex channel, a plurality of wall bidirectional evacuation indicator lamp modules (4) used for prompting people to evacuate when a fire occurs and a plurality of voice prompt modules used for guiding people to evacuate when a fire occurs are installed in wall surfaces on two sides of each commercial complex channel (2), the fire information monitoring modules (5) transmit data to an evacuation control host (6) through LORA wireless gateways, and the evacuation control host (6) controls the ground bidirectional evacuation indicator lamp modules (3), the wall bidirectional evacuation indicator lamp modules (4) and the voice prompt modules to work through LORA wireless gateways;
the fire information monitoring module (5), the ground bidirectional evacuation indicator lamp module (3), the wall bidirectional evacuation indicator lamp module (4), the voice prompt module and the evacuation control host (6) form a commercial complex intelligent evacuation system;
step two, collecting fire information: the method comprises the steps that a fire information monitoring module (5) is used for sensing and acquiring fire occurrence information in a commercial comprehensive body in real time, and the fire information monitoring module (5) transmits acquired data to an evacuation control host (6) through an LORA wireless gateway;
Step three, judging whether a fire disaster occurs in the commercial comprehensive body: presetting a data reference threshold in the evacuation control host (6), and when the data acquired by the fire information monitoring module (5) in real time sensing does not exceed the data reference threshold, circulating the step two if no fire occurs in the commercial comprehensive body; when the data acquired by the fire information monitoring module (5) in real time sensing exceeds the data reference threshold value, a fire disaster occurs in the commercial comprehensive body, and the fourth step is executed;
Step four, generating a road network: the crossing position of the commercial complex gateway (1) and at least two commercial complex channels (2) is regarded as a safe area, the two communicated safe areas are connected by a passline, the position where the fire information is sensed and collected by the fire information monitoring module (5) is regarded as a fire accident point, the passline where the fire accident point is located or the passline connected with the fire accident point are updated to a forbidden line, and a road network is generated;
step five, determining an optimal evacuation path: taking the position of the escape personnel as a starting point and the safety zone corresponding to the entrance and exit (1) of each commercial complex as a terminal point, planning evacuation paths, and determining the optimal evacuation path of the position, wherein the optimal evacuation path planning modes of all the positions in the commercial complex are the same;
Optimal evacuation path planning process for any location within the commercial complex:
step 501, respectively taking the position as a starting point, moving the position to a safe area corresponding to each commercial complex entrance/exit (1) through a non-repeated passing line to form a plurality of evacuation paths, calling an evacuation path evacuation time calculation module to respectively record the time used by the position to move to the plurality of evacuation paths formed by the safe area corresponding to each commercial complex entrance/exit (1) through the passing line, then calling an escape path time comparison module, comparing the time used by the plurality of evacuation paths, and selecting two evacuation paths with the shortest time as optimal double evacuation paths;
502, according to a formulacalculating the average number S of safe areas at the entrance and the exit of the effective commercial complex, wherein L is the total number of the safe areas in the road network, n is the number of the entrances and the exits of the effective commercial complex, and the entrance and the exit of the effective commercial complex are the entrances and the exits (1) of the commercial complex which do not have fire and can enter and exit;
Step 503, counting the number of safety areas passed by the optimal double evacuation paths;
step 504, according to the formulacalculating a first safety range deviation delta1And a second safe area deviation delta2Wherein S is1The number of safe areas passed by the path with the shortest time in the optimal double evacuation paths, S2the number of safe areas passed by the route with the shortest time in the optimal double evacuation routes is determined;
Step 505, when the first safety area deviation delta1and a second safe area deviation delta2when the time of the optimal double evacuation paths is equal, the path with the shortest time in the optimal double evacuation paths is the optimal evacuation path;
when it comes toA safety margin deviation Delta1And a second safe area deviation delta2is not equal and1<Δ2Then, the route with the shortest time in the optimal double evacuation routes is the optimal evacuation route;
When the first safe area deviation delta1and a second safe area deviation delta2Is not equal and2<Δ1then, the route with non-shortest time in the optimal double evacuation routes is the optimal evacuation route;
Sixthly, the commercial complex intelligent evacuation system assists people evacuation: the evacuation control host (6) controls the directions of the ground bidirectional evacuation indicator lamp module (3) and the wall bidirectional evacuation indicator lamp module (4) according to the optimal evacuation path of each position, guides persons in the commercial complex to evacuate, and meanwhile utilizes the voice prompt module to assist the persons in the commercial complex to evacuate;
step seven, updating the road network: the fire information monitoring module (5) is continuously utilized to conduct induction collection of fire occurrence information in the commercial comprehensive body, the fire information monitoring module (5) transmits collected data to the evacuation control host (6) through the LORA wireless gateway, the fire occurrence information position is collected in real time through induction of the fire information monitoring module (5) and is regarded as a fire accident point, a pass line where the fire accident point is located or a pass line connected with the fire accident point are all updated to be a forbidden line, a road network is updated, and the fifth step is repeated until all people are safely evacuated.
2. a LORA-based intelligent evacuation method for a business complex according to claim 1, wherein: the fire information monitoring module (5) comprises a first microcontroller, a smoke sensor and a temperature sensor, wherein the smoke sensor and the temperature sensor are both connected with the first microcontroller, and the first microcontroller is further connected with a first LORA wireless transmission terminal communicated with the LORA wireless gateway.
3. A LORA-based intelligent evacuation method for a business complex according to claim 2, wherein: the ground bidirectional evacuation indicator lamp module (3) comprises a second microcontroller and a ground bidirectional evacuation indicator lamp connected with the second microcontroller, and the second microcontroller is also connected with a second LORA wireless transmission terminal communicated with the LORA wireless gateway.
4. A LORA-based intelligent evacuation method for a business complex according to claim 3, wherein: the wall surface bidirectional evacuation indicator lamp module (4) comprises a third microcontroller and a wall surface bidirectional evacuation indicator lamp connected with the third microcontroller, and the third microcontroller is also connected with a third LORA wireless transmission terminal communicated with the LORA wireless gateway; and a fourth LORA wireless transmission terminal communicated with the LORA wireless gateway is integrated on the voice prompt module.
5. A LORA-based intelligent evacuation method for a business complex according to claim 4, wherein: the first LORA wireless transmission terminal, the second LORA wireless transmission terminal and the third LORA wireless transmission terminal are provided with independent position codes, and the independent position codes are stored in the evacuation control host (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976502.0A CN110555961B (en) | 2019-10-15 | 2019-10-15 | LORA-based intelligent evacuation method for commercial complex |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976502.0A CN110555961B (en) | 2019-10-15 | 2019-10-15 | LORA-based intelligent evacuation method for commercial complex |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110555961A true CN110555961A (en) | 2019-12-10 |
| CN110555961B CN110555961B (en) | 2021-03-26 |
Family
ID=68742829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910976502.0A Active CN110555961B (en) | 2019-10-15 | 2019-10-15 | LORA-based intelligent evacuation method for commercial complex |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110555961B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504262A (en) * | 2020-11-19 | 2021-03-16 | 中国建筑科学研究院有限公司 | Method for navigating people in building floor, method and system for navigating people in multi-floor building |
| CN114419816A (en) * | 2022-01-26 | 2022-04-29 | 北京恒华伟业科技股份有限公司 | Method for determining evacuation path and intelligent fire-fighting system |
| CN115050158A (en) * | 2022-06-16 | 2022-09-13 | 南京苏瑞科技实业有限公司 | Fire emergency lighting and evacuation indicating system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050209770A1 (en) * | 2004-02-24 | 2005-09-22 | O'neill Dennis M | System and method for knowledge-based emergency response |
| CN102646166A (en) * | 2012-03-08 | 2012-08-22 | 北京师范大学 | Indoor emergency evacuation simulation method for complex building |
| CN103776452A (en) * | 2014-01-13 | 2014-05-07 | 华中科技大学 | Personnel characteristic-based fire evacuation path navigation method |
| WO2016075933A1 (en) * | 2014-11-14 | 2016-05-19 | 日本電気株式会社 | Evacuation prediction system, model generating device, prediction device, evacuation prediction method, and computer-readable recording medium |
| EP3133550A1 (en) * | 2015-08-20 | 2017-02-22 | Tata Consultancy Services Limited | Methods and systems for planning evacuation paths |
| CN109360368A (en) * | 2018-10-11 | 2019-02-19 | 深圳市亿兆互联技术有限公司 | Fire disaster escaping method and system based on LoRa |
-
2019
- 2019-10-15 CN CN201910976502.0A patent/CN110555961B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050209770A1 (en) * | 2004-02-24 | 2005-09-22 | O'neill Dennis M | System and method for knowledge-based emergency response |
| CN102646166A (en) * | 2012-03-08 | 2012-08-22 | 北京师范大学 | Indoor emergency evacuation simulation method for complex building |
| CN103776452A (en) * | 2014-01-13 | 2014-05-07 | 华中科技大学 | Personnel characteristic-based fire evacuation path navigation method |
| WO2016075933A1 (en) * | 2014-11-14 | 2016-05-19 | 日本電気株式会社 | Evacuation prediction system, model generating device, prediction device, evacuation prediction method, and computer-readable recording medium |
| EP3133550A1 (en) * | 2015-08-20 | 2017-02-22 | Tata Consultancy Services Limited | Methods and systems for planning evacuation paths |
| CN109360368A (en) * | 2018-10-11 | 2019-02-19 | 深圳市亿兆互联技术有限公司 | Fire disaster escaping method and system based on LoRa |
Non-Patent Citations (2)
| Title |
|---|
| 孟永昌 等: "基于改进遗传算法的路网应急疏散多目标优化", 《武汉大学学报.信息科学版》 * |
| 王婭芳 等: "工作面火灾CO运移规律及FED模型评价下的疏散参数研究", 《安全与环境学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504262A (en) * | 2020-11-19 | 2021-03-16 | 中国建筑科学研究院有限公司 | Method for navigating people in building floor, method and system for navigating people in multi-floor building |
| CN114419816A (en) * | 2022-01-26 | 2022-04-29 | 北京恒华伟业科技股份有限公司 | Method for determining evacuation path and intelligent fire-fighting system |
| CN115050158A (en) * | 2022-06-16 | 2022-09-13 | 南京苏瑞科技实业有限公司 | Fire emergency lighting and evacuation indicating system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110555961B (en) | 2021-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110555961B (en) | LORA-based intelligent evacuation method for commercial complex | |
| CN102509410B (en) | Intelligent fire evacuation escape indicating system and method | |
| CN104315473A (en) | Intelligent evacuation emergency indicating system and intelligent evacuation emergency indicating method | |
| CN103426270A (en) | Household intelligent fire-fighting early warning and escape system | |
| CN106652499A (en) | Booking-function provided priority passage system for special vehicles and the implementation method thereof | |
| CN101592918B (en) | Three-dimensional emergency escape guiding method based on wireless sensor network | |
| KR101539510B1 (en) | Fire evacuation guidance system | |
| CN116663755A (en) | Emergency evacuation monitoring management system based on data analysis | |
| CN108896958B (en) | Positioning system and method based on power plant safety management | |
| CN209803967U (en) | Intelligent line-crossing early warning system capable of being accurately positioned based on radar detection | |
| CN104881942A (en) | Personnel intelligent evacuation indication system for subway station fire | |
| CN108682168A (en) | A kind of speed guiding system and method reducing signal intersection parking | |
| CN109243177B (en) | Road traffic wide-area induction method | |
| CN102526905A (en) | Fire protection indicating system and method | |
| CN114445984A (en) | Fire-fighting emergency evacuation system and method for urban large building | |
| CN103383812B (en) | A kind of issue hourage system and method with being accurate to second | |
| CN103191532A (en) | Method for determining optimum route for emergent personnel evacuation from disasters in intelligent building | |
| CN108831163B (en) | Main road cooperative annunciator control method based on geomagnetism | |
| CN110778351B (en) | Combined ventilation and smoke exhaust method for urban underground intercommunication tunnel | |
| CN110827490A (en) | Intelligent platform ground boarding guiding safety system | |
| CN109859428A (en) | A kind of comprehensive theft management method and system based on artificial intelligence | |
| CN202446687U (en) | Fire protection indicating system | |
| CN104700476A (en) | Method and device for counting people in barrier-free access for civil explosive area | |
| CN114783125A (en) | Fire-fighting emergency directional evacuation system | |
| CN113191601A (en) | Method for evaluating layout scheme of road traffic technology monitoring equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |